TROUBLESHOOTING CHART
Problem
Pump will not start.
Cylinder will not advance or retract.
Cylinder advances and retracts
erratically.
Pump fails to maintain pressure.
Low Fluid output.
Possible Cause
No power.
Wrong voltage.
Fluid level low.
Intake screen clogged.
Valve in wrong position.
Valve failure.
Air in the system.
External leak in system.
Internal hydraulic leak.
External hydraulic leak.
Internal hydraulic leak.
Fluid level low.
Pump component parts are leaking.
By-pass valve malfunction.
Fluid intake screens on piston blocks
may be clogged with debris.
7
Solution
Check electrical power source.
Check voltage specifications on page 2.
Fill reservoir to proper level.
Clean or replace intake screen.
Shift valve to the pressure position.
Have pump repaired by a qualified
hydraulic technician.
Remove air from the system by opening
and closing the tool until operation is
smooth.
Tighten leaky connections. Replace
any damaged hoses and fittings.
Have pump repaired by a qualified
hydraulic technician.
Tighten leaky connections. Replace
any damaged hoses or fittings.
Have pump repaired by a qualified
hydraulic technician.
Fill reservoir to the proper level.
Test to isolate leaks.
Have pump repaired by a qualified
hydraulic technician.
Inspect intake screens. Flush all
components of contamination. Replace any
damaged components.